Big T28 waste gate

[fatso]

I went to the dyno last week and was really pissed I couldnt get more than 13.3 lbs. boost out of my setup. Does the waste gate open up at 14lbs. on a big t28 and what can I do to get it up to 18lbs. , new actulator arm?



Thanks,

 

[fatso]

opps, actuator arm